In the sixties, de Wecker, Stellwag, and others, believing that scleral section alone was sufficient to relieve the tension in glaucoma, introduced into ophthalmology sclerotomy to take the place of iridectomy.
From what has been said it is evident that incision of the chamber angle, like sclerotomy, is to be regarded as an operation which for a short time provides an artificial channel of exit for the aqueous humor, and probably exercises only an indirect influence upon the restoration of the normal channels.
A look at the past . . .. Arch Ophthalmol. 2008;126(3):394. doi:10.1001/archopht.126.3.394